Mini Combi Range C24,28,32

Problem

Solution

Flow Fault

Small differential hole in primary flow switch housing can block right at the back, carefully remove small brass'pip' with a screwdriver (this does screw out), and use a small ball ended allen key to clean out the hole

Boiler on no demand

Water flow switch can stick, make sure the boiler is not in frost potection mode

Response

Problem

Solution

Explosive Ignition

Weak Spark from generator, check electrode gap,

Overheating

Water flow switch can stick, oring from the flow regulator can make switch stick on by jamming in switch